Reaper and steel plow were the machines invented by Cyrus McCormick and John Deere that made large-scale agriculture possible, especially on Midwestern prairies.
B) Reaper and steel plow
<u>Explanation:</u>
In the 1800's people used to do all the chores with their hands hence, it made farming a tough job and a lot of time consuming activity. During the industrial revolution, Cyrus McCormick invented a mechanical reaper, which would help reap big farms in very less time.
The steel plow played a very important role in the industrial revolution as the wooden plow used to be weak but John Deere's invented steel plow was strong and broke soil easily.
we wanted nothing to do with ww2 until pearl harbor
The Mexican Cession happened in 1848. In this treaty, Mexico handed over Texas to the US. Hope this helps.
The Articles of Confederation was the initial document that was set up which formed the US government. It served as a constitution for the time before the actual Constitution was drafted. It gave the central government little power as there wasn't a real executive authority established in it.
